What is the effect of increasing the temperature on the distribution of molecular speeds in a gas?
Correct Answer: Increasing temperature increases average molecular speed.
- Step 1: Understand that temperature is a measure of the average kinetic energy of molecules in a gas.
- Step 2: Recognize that kinetic energy is related to the speed of the molecules; higher kinetic energy means higher speeds.
- Step 3: When the temperature increases, the average kinetic energy of the gas molecules also increases.
- Step 4: As the average kinetic energy increases, more molecules move at higher speeds.
- Step 5: This leads to a wider range of speeds among the molecules, meaning some move much faster and some may move slower.
- Step 6: Therefore, increasing the temperature results in a broader distribution of molecular speeds.
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